Archive for the Category: rechargeable

Batteries in clocks

Most clocks are designed to work with one or two standard Alkaline batteries . Typical specifications of these batteries are: LR6 Size AA Voltage : 1.5V Using rechargeable batteries may be cost effective in the long term. However, the rechargeable NiMh batteries available do not usually fit into the slot in most clock models, so [...]

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AAA Battery charging

The usage of AAA batteries in various appliances is increasing due to their compact size. Manufacturers of rechargeable batteries specify the time taken for charging the batteries based on the charging current. For example for Vipow Ni Mh AAAA 1000 mAh 1.2V rechargeable batteries, the standard charging time is 15 hours at 100 mA. For [...]

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Sony battery charger with LCD display

With most standard battery chargers, you do not get an indication of the time taken for the charging to be completed.  This Sony battery charger provides a visual indication of the  charge level in the batteries being used.

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Voltage levels

Most AA & AAA battery operated devices require a minimum voltage before they can operate properly.  This  voltage level is usually 1.25 V , though it can vary depending on the type and make of battery.

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Battery vs AC powered devices

Batteries vs AC power Most electrical devices are either powered by batteries or ac power. Both options have their advantages and disadvantages Batteries: The device is portable Less problem of loose connection Disadvantages If non-rechargeable batteries are used, running costs can be high the torque for battery powered devices is sometimes lower than that of  [...]

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Battery self discharge

One of the main disadvantages of most rechargeable NiMh and NiCd  batteries available today, over standard alkaline batteries is the high self discharge rates.  If you charge rechargeable batteries to their full capacity and then use them after a month, you will often find that the batteries are drained.  These batteries have to be charged again before they [...]

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Uniross Rechargeable batteries

Some of the  Uniross rechargeable batteries available in India are: Uniross rechargeable batteries 1000 mAh AA 4XAA Ni-cd 1.2V  1000 Mah Uniross Hybrio AAA – Dynamic Precharged Rechargeable 1100 Ni-Mh 1.2V Item name: Uniross 2XAAA Hybrio rechargeable batteries 1100 MaH

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Battery Tech

Battery technology, chargeable and non rechargeable batteries, alkaline batteries, NiCd batteries, NiMh batteries, voltage, current, rating, charging, battery chargers, usage.

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